What causes a flashing check engine light on a Ford Mustang?
What causes a flashing check engine light on a Ford Mustang? This article applies to the Ford Mustang V6 (2005-2014). If your Mustang suddenly starts riding rough and triggers a flashing check engine light, it's most likely due to an engine misfire. What can I do if my Mustang engine is not working? You can do this by plugging a code reader into your Mustang's OBD-II port and reading it yourself, or going to a dealership or auto parts store to have the code read for you. Once you know the trouble code, you can start to diagnose what's cause...